I propose to approve this.
The activity seems sufficient to me:
and the most-used msgs are translated as well <http://toolserver.org/~robin/?tool=codelookup&code=tly>.

It will however be necessary that the person who verifies the content says something about the writing system: According to Ethnologue, Arabic and Cyrillic are used, but the test-project is in Latin script. This is a comment from the editors about it: https://meta.wikimedia.org/w/index.php?title=Requests_for_new_languages/Wikipedia_Talysh&curid=712193&diff=7204267&oldid=7203837